CN205861753U - A kind of instantaneous switching of intelligent three-phase current and supervising device - Google Patents
A kind of instantaneous switching of intelligent three-phase current and supervising device Download PDFInfo
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- CN205861753U CN205861753U CN201620598210.XU CN201620598210U CN205861753U CN 205861753 U CN205861753 U CN 205861753U CN 201620598210 U CN201620598210 U CN 201620598210U CN 205861753 U CN205861753 U CN 205861753U
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- electrical parameter
- phase
- intelligent
- measuring instrument
- instrument
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- Measurement Of Current Or Voltage (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a kind of instantaneous switching of intelligent three-phase current and supervising device, including Three Phase Electrical Parameter Measuring Instrument, the side of Three Phase Electrical Parameter Measuring Instrument is provided with touch screen, the inside of Three Phase Electrical Parameter Measuring Instrument is provided with installing plate, the top of installing plate is provided with current transformer, the bottom of current transformer is provided with solid-state relay, the bottom of solid-state relay is provided with PLC, the side of PLC is provided with voltage signal detector, this kind of instantaneous switching of intelligent three-phase current and supervising device, by intelligence instrument accurately, meet the requirement of electric components detection process precision;This instrument with wave filter, can select time poor voltage and current signal is filtered measuring frequency conversion motor or voltage signal, remove the impact of higher hamonic wave, prevent control circuit from damaging;This device not only considers measured value and obtains stability and accuracy, and improves safety, and relatively reliable completes the test to data and record.
Description
Technical field
This utility model relates to a kind of test circuit switching, monitors and electric components durable detection device, specially one
Plant the instantaneous switching of intelligent three-phase current and supervising device.
Background technology
Three-phase current is that each wire is as other loops of two, the phase contrast of its three components by three of the wires
It is followed successively by 1/3rd or the electric current of 120 ° of phase angles in a cycle.
When three-phase current is detected, it would be desirable to detection and monitoring device;Switch detection the most on the market sets
Standby is all single channel mostly, and the test mode of use is also real-time data monitoring, or in real time data-printing is become trendgram,
Test circuit is distinct with Acquisition Circuit, causes result the instability of Data Detection.
Utility model content
This utility model provides a kind of instantaneous switching of intelligent three-phase current and supervising device, can effectively solve actual answering
Problem with the middle unstable result that there is Data Detection.
In order to solve above-mentioned technical problem, this utility model provides following technical scheme:
A kind of instantaneous switching of intelligent three-phase current of this utility model and supervising device, including Three Phase Electrical Parameter Measuring Instrument,
The side of described Three Phase Electrical Parameter Measuring Instrument is provided with touch screen, and the opposite side of described Three Phase Electrical Parameter Measuring Instrument is provided with epoxy plate,
The inside of described Three Phase Electrical Parameter Measuring Instrument is provided with installing plate, and the top of described installing plate is provided with current transformer, described electric current
The bottom of transformer is provided with solid-state relay, and the bottom of described solid-state relay is provided with PLC, and described PLC can
The side of programmable controller is provided with voltage signal detector, and the bottom of described voltage signal detector is provided with control power supply, described
The bottom of installing plate is provided with instrument.
As a kind of optimal technical scheme of the present utility model, described epoxy plate is surveyed with described three phase electrical parameters by bolt
Examination instrument is connected, and is provided with wave filter inside described Three Phase Electrical Parameter Measuring Instrument.
As a kind of optimal technical scheme of the present utility model, described instrument, described current transformer, described solid-state relay
Device, described voltage signal detector and described wave filter are all electrically connected with described PLC, and described PLC is able to programme
Controller is electrically connected with described touch screen.
As a kind of optimal technical scheme of the present utility model, described control power supply respectively with described touch screen, described instrument
Table, described current transformer, described solid-state relay, described voltage signal detector, described wave filter and described PLC are able to programme
Controller is all electrically connected with.
This utility model is reached to provide the benefit that: this kind of instantaneous switching of intelligent three-phase current and supervising device, logical
After intelligence instrument accurately, meet the requirement of electric components detection process precision;This instrument with wave filter, measure
Can select when frequency conversion motor or voltage signal are poor voltage and current signal is filtered, remove the impact of higher hamonic wave, anti-
Only control circuit is damaged;After using filtering, waveform can seem that comparison is smooth, and data also can be stablized;This device not only considers survey
Value obtains stability and accuracy, and improves safety, and relatively reliable completes the test to data and record.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by of the present utility model, and constitutes a part for description, with this practicality
Novel embodiment is used for explaining this utility model together, is not intended that restriction of the present utility model.In the accompanying drawings:
Fig. 1 is this utility model instantaneous switching of a kind of intelligent three-phase current and the side view of supervising device;
Fig. 2 is this utility model instantaneous switching of a kind of intelligent three-phase current and the structural representation of supervising device installing plate
Figure;
Fig. 3 is this utility model instantaneous switching of a kind of intelligent three-phase current and the electric hookup of supervising device;
In figure: 1, touch screen;2, installing plate;3, instrument;4, epoxy plate;5, Three Phase Electrical Parameter Measuring Instrument;6, Current Mutual Inductance
Device;7, solid-state relay;8, voltage signal detector;9, power supply is controlled;10, PLC.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain this utility model, being not used to limit this utility model.
Embodiment: as Figure 1-3, a kind of instantaneous switching of intelligent three-phase current of this utility model and supervising device, bag
Including Three Phase Electrical Parameter Measuring Instrument 5, the side of Three Phase Electrical Parameter Measuring Instrument 5 is provided with touch screen 1, Three Phase Electrical Parameter Measuring Instrument 5 another
Side is provided with epoxy plate 4, and the inside of Three Phase Electrical Parameter Measuring Instrument 5 is provided with installing plate 2, and the top of installing plate 2 is provided with Current Mutual Inductance
Device 6, the bottom of current transformer 6 is provided with solid-state relay 7, and the bottom of solid-state relay 7 is provided with PLC 10,
The side of PLC 10 is provided with voltage signal detector 8, and the bottom of voltage signal detector 8 is provided with control power supply
9, the bottom of installing plate 2 is provided with instrument 3.
Epoxy plate 4 is connected with Three Phase Electrical Parameter Measuring Instrument 5 by bolt, and Three Phase Electrical Parameter Measuring Instrument 5 is internal is provided with filtering
Device, it is able to programme that instrument 3, current transformer 6, solid-state relay 7, voltage signal detector 8 and wave filter are all electrically connected with PLC
Controller 10, PLC 10 is electrically connected with touch screen 1, controls power supply 9 mutual with touch screen 1, instrument 3, electric current respectively
Sensor 6, solid-state relay 7, voltage signal detector 8, wave filter and PLC 10 are all electrically connected with.
Concrete, by RS485 agreement, PLC 10 is connected with touch screen 1, and data are transferred to touch
Display it on shielding 1 act.
Carried out reading and the transmission of data by PLC 10, be main function, be to be referred to by transmission
MOV_R is made to realize, mainly the voltage of three-phase, electric current, power and power factor.When the data of A phase show, when one leads to
Electricity, immediately reads the data of instrument, voltage that VD1005, VD1021, VD1037, VD1085 represent respectively, electric current, power with
And the numerical value of power factor, transmit when corresponding address, and these addresses all correspondences have display on touch screen 1.M20.0 and
Two corresponding record buttons on the most corresponding touch screen 1 of M22.0, it is possible to record numerical value also makes data keep, and shows
On touch screen 1.Corresponding is " A phase tests record ", and record respectively is corresponding under switch connection and disconnection two states, electricity
Stream and the value of power factor (PF).
This kind of instantaneous switching of intelligent three-phase current and supervising device, by intelligence instrument accurately, meet electrically unit's device
The requirement of part detection process precision;This instrument with wave filter, measure frequency conversion motor or voltage signal time poor permissible
Select voltage and current signal is filtered, remove the impact of higher hamonic wave, prevent control circuit from damaging;After using filtering, ripple
Shape can seem that comparison is smooth, and data also can be stablized;This device not only considers measured value and obtains stability and accuracy, and improves
Safety, relatively reliable complete the test to data and record.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this
Utility model, although being described in detail this utility model with reference to previous embodiment, for those skilled in the art
For, the technical scheme described in foregoing embodiments still can be modified by it, or to wherein portion of techniques feature
Carry out equivalent.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all
Within protection domain of the present utility model should be included in.
Claims (4)
1. the instantaneous switching of intelligent three-phase current and a supervising device, including Three Phase Electrical Parameter Measuring Instrument (5), its feature exists
In, the side of described Three Phase Electrical Parameter Measuring Instrument (5) is provided with touch screen (1), the opposite side of described Three Phase Electrical Parameter Measuring Instrument (5)
Being provided with epoxy plate (4), the inside of described Three Phase Electrical Parameter Measuring Instrument (5) is provided with installing plate (2), the top of described installing plate (2)
Being provided with current transformer (6), the bottom of described current transformer (6) is provided with solid-state relay (7), described solid-state relay (7)
Bottom be provided with PLC (10), the side of described PLC (10) is provided with voltage signal detector
(8), the bottom of described voltage signal detector (8) is provided with control power supply (9), and the bottom of described installing plate (2) is provided with instrument
(3)。
The instantaneous switching of the intelligent three-phase current of one the most according to claim 1 and supervising device, it is characterised in that described
Epoxy plate (4) is connected with described Three Phase Electrical Parameter Measuring Instrument (5) by bolt, and described Three Phase Electrical Parameter Measuring Instrument (5) is internal to be set
There is wave filter.
The instantaneous switching of the intelligent three-phase current of one the most according to claim 2 and supervising device, it is characterised in that described
Instrument (3), described current transformer (6), described solid-state relay (7), described voltage signal detector (8) and described wave filter
All being electrically connected with described PLC (10), described PLC (10) is electrically connected with described touch screen
(1)。
The instantaneous switching of the intelligent three-phase current of one the most according to claim 2 and supervising device, it is characterised in that described
Control power supply (9) respectively with described touch screen (1), described instrument (3), described current transformer (6), described solid-state relay
(7), described voltage signal detector (8), described wave filter and described PLC (10) are all electrically connected with.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620598210.XU CN205861753U (en) | 2016-06-20 | 2016-06-20 | A kind of instantaneous switching of intelligent three-phase current and supervising device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620598210.XU CN205861753U (en) | 2016-06-20 | 2016-06-20 | A kind of instantaneous switching of intelligent three-phase current and supervising device |
Publications (1)
Publication Number | Publication Date |
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CN205861753U true CN205861753U (en) | 2017-01-04 |
Family
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Family Applications (1)
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CN201620598210.XU Expired - Fee Related CN205861753U (en) | 2016-06-20 | 2016-06-20 | A kind of instantaneous switching of intelligent three-phase current and supervising device |
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CN (1) | CN205861753U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107390619A (en) * | 2017-07-10 | 2017-11-24 | 上海出入境检验检疫局机电产品检测技术中心 | A kind of instantaneous switching method of test current based on PLC controls |
-
2016
- 2016-06-20 CN CN201620598210.XU patent/CN205861753U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107390619A (en) * | 2017-07-10 | 2017-11-24 | 上海出入境检验检疫局机电产品检测技术中心 | A kind of instantaneous switching method of test current based on PLC controls |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20170620 |